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Recoil ions from the β decay of Sb134 confined in a Paul trap [Study of Recoil ions from the β decay of Sb134 using the Beta-decay Paul trap]

Journal Article · · Physical Review C
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [2];  [5];  [8];  [9];  [8];  [10];  [11];  [12];  [12];  [13];  [2];  [14];  [15] more »;  [6] « less
  1. Univ. of Notre Dame, Notre Dame, IN (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Berkeley, CA (United States); Osaka Univ., Osaka (Japan)
  4. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Manitoba, Winnipeg, MB (Canada)
  5. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, Chicago, IL (United States)
  6. Univ. of Notre Dame, Notre Dame, IN (United States)
  7. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, Chicago, IL (United States); Rigetti Computing, Berkeley, CA (United States)
  8. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Maryland, College Park, MD (United States)
  9. Argonne National Lab. (ANL), Argonne, IL (United States)
  10. Univ. of Notre Dame, Notre Dame, IN (United States); Louisiana State Univ., Baton Rouge, LA (United States)
  11. Univ. of Manitoba, Winnipeg, MB (Canada); Louisiana State Univ., Baton Rouge, LA (United States)
  12. Univ. of California, Berkeley, CA (United States)
  13. Argonne National Lab. (ANL), Argonne, IL (United States); McGill Univ., Montreal, QC (Canada)
  14. Argonne National Lab. (ANL), Argonne, IL (United States); Vertex Pharmaceuticals, San Diego, CA (United States)
  15. Univ. of Manitoba, Winnipeg, MB (Canada)
The low-energy recoiling ions from the β decay of 134Sb were studied by using the Beta-decay Paul Trap. Using this apparatus, singly charged ions were suspended in vacuum at the center of a detector array used to detect emitted β particles, γ rays, and recoil ions in coincidence. The recoil ions emerge from the trap with negligible scattering, allowing β-decay properties and the charge-state distribution of the daughter ions to be determined from the β-ion coincidences. First-forbidden β-decay theory predicts a β–ν correlation coefficient of nearly unity for the 0 to 0+ transition from the ground state of 134Sb to the ground state of 134Te. Although this transition was expected to have a nearly 100% branching ratio, an additional 17.2(52)% of the β-decay strength must populate high-lying excited states to obtain an angular correlation consistent with unity. As a result, the extracted charge-state distribution of the recoiling ions was compared with existing β-decay results and the average charge state was found to be consistent with the results from lighter nuclei.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC02-06CH11357; AC52-07NA27344; FG02-94ER40834; FG02-98ER41086
OSTI ID:
1466927
Alternate ID(s):
OSTI ID: 1429147
OSTI ID: 1471571
Report Number(s):
LLNL-JRNL--734381; 886329
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 3 Vol. 97; ISSN PRVCAN; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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β -delayed-neutron studies of Sb 135 , 136 and I 140 performed with trapped ions journal February 2020

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